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112211
Obsidian | Level 7

I have attempted various methods, but I have been unable to obtain the desired output.

Using do loops 

I need output like following; 
1
121
12321
1234321
123454321

1 ACCEPTED SOLUTION

Accepted Solutions
ballardw
Super User

Is the output one variable? Is it numeric or character? Maximum of 5 or how many rows? (Will severely limit whether the value is numeric or not

This makes a character value with that appearance.

data example;
   length var $ 25;
   do levels = 1 to 5;
      call missing(var);
      do j=1 to levels;
         var=cats(var,j);
      end;
      do j=(levels-1) to 1 by (-1);
         var=cats(var,j);
      end;
      output;
   end;
   drop levels j;
run;

View solution in original post

3 REPLIES 3
LinusH
Tourmaline | Level 20
Is this some kind of training assignment?
The task doesn't reflect what you normally do using SAS...
Data never sleeps
ballardw
Super User

Is the output one variable? Is it numeric or character? Maximum of 5 or how many rows? (Will severely limit whether the value is numeric or not

This makes a character value with that appearance.

data example;
   length var $ 25;
   do levels = 1 to 5;
      call missing(var);
      do j=1 to levels;
         var=cats(var,j);
      end;
      do j=(levels-1) to 1 by (-1);
         var=cats(var,j);
      end;
      output;
   end;
   drop levels j;
run;

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